The state's smallest animal is a red-tailed gerbil, with a mean weight of 2.5 grams and a standard deviation of 0.25 grams. Assuming that the weights are normally distributed, find the probability of randomly selecting a gerbil that weighs
a. between 1.0 and 2.0 grams
b. between 1.6 and 2.2 grams
c. more than 2.2 grams

A company has a 99% chance of correctly identifying defective items and a 0.5% chance of incorrectly saying a good item is defective. The company has evidence that its production is 0.9% defective.
a.) What is the probability that an item selected for inspection is classified as defective?
b.) If an item randomly selected i

Please use Excel for this and could you send me a few notes with step by step break-down on how to make it easy to figure out next time?
1. An American Society of Investors Survey found that 30% of individuals have used a discount broker. In a random sample of 9 individuals, what is the probability That:
a. Exactly 2 of t

Please answer the following probabilities from the data set below using Excel. Also please add them to the chart, Thanks.
https://mycampus.aiu-online.com/courses/QMB350/Assignment_Assets/DataSetandDataSetKey_0703A.xls
? What is the gender distribution (% females and % males)?
? What is the "tenure with company" distribut

(1) The average number of humming birds per hour on a particular feeder is 5. Find the probability that exactly 3 humming birds feed during a particular hour using the correct table or formula.
(2) Weights for students applying to a Sumo wrestling school are normally distributed, with a mean of 250 pounds and a standard dev

Please show all work and examples
1. Under certain conditions, it is possible that the sum of the probabilities of all the sample points in a sample space is less than one. ___ T/F
2. A compound event formed by use of the word and requires the use of the addition rule. ____ T/F
3. In any binomial probability

Assume you have a real estate investor client who wants you to answer some specific questions about housing in the neighborhood encompassed by the 5 townships in your Real Estate Data Set. Further assume that you have collected this random sample in an effort to answer your client's questions using statistical tools.:
1. Des

An elevator has a design capacity of 2,560 pounds and a posted limit of 16 passengers. The weight of adults is approximately normal with a mean of 150 pounds and standard deviation of 20 pounds.
Find the probability that the elevator will be overloaded if 16 people are in the elevator. How many passengers would you recommend

JENN Inc. supplies under-hood emission control air pumps to the automative industry. The pump is vacuum-powered and works while the engine is operating., cleaning the exhaust by pumping extra oxygen into the exhaust system. If a pump fails before the vehicle in which it is installed has travelled 50,000 miles, Federal emission r

E-mail Potential Acquisition
You've done a great job so far, but we need you to investigate another situation. BankTen is considering an acquisition and has narrowed the possibilities to three companies. All three of these acquisitions are ongoing businesses with a profit stream and can be acquired for about the same amount o

1. The probability that a life insurance salesperson following up a magazine lead will make a sale is 30%. A salesperson has two leads on a certain day. What is the probability that the salesperson will sell:
a. Both
b. Exactly one policy
c. at least one policy

DATA ATTACHED
The Hydronics Company is in the business of developing health supplements. Recently, the company's R&D department came up with two weight-loss plans that included products produced by Hydroniccs. To determine whether these products are effective, the company has conducted a test. A total of 300 people who eac

East-West Translations publishes textbooks of ancient Oriental teachings for English-speaking universities. The company currently is testing a computer-based translation service. Because Oriental symbols are difficult to translate, East-West assumes the computer program will make some errors, but then so do human translators.

5.18
Gateway 2000, Inc., receives large shipments of microprocessors from Intel Corp. It must try to ensure that the proportion of microprocessors that are defective is small. Suppose Gateway decides to test five microprocessors out of a shipment of thousands of them. Suppose that if at least one of the microprocessors is de

The question is based on the following information:
---------------------------------------------------------------------------------
No. of Patients Alive
on each anniversary
Year of Treatment No. of Pati

The Seremonte Emergency Medical Department has recorded the number of emergency
calls received each day for the past 200 days. These data are shown in the this frequency
distribution:
Calls Number of Days
0 22
1 20
2 40
3 558
4 28
5 20
6 5
7 10
a. Determine the probability of distribution

Four possible prizes are being awarded by a real estgat developer to people who will look at new property. The prizes are being awarded based on a blind drawing with the following probability distribution:
x P(x)
$ 10 0.80
$ 20 0.10
$ 100 0.08
$ 1000 0.02
a What is the expected prize award?
b What is the stan

A Courtyard Hotel by Marriott conducted a survey of its guests. Sixty-two surveyors were completed. Based upon the data from the survey, (see attached) determine the following:
a) Two customers are selected. What is the probability that both will be on a business trip?
b) What is the probability that a customer will be on

You are given the following:
A B C
D 100 150 50
E 600 150 150
F 300 300 300
a) What is the probability of event A?
b) What is the probability of event A and B?
c) What is the probability of event B and F?
d) What is the probability of event E given that event A
has occurred?
e) What

#1
A manager of a gasoline filling station is thinking about a promotion that she hopes will bring in more business to the full-service island. She is considering the option that when a customer requests a fill-up, if the pump stops with the dollar amount at $9.99, the customer will get the gasoline free. Previous studies show

Management at Canron, a switch maker, is confronting a problem of determining whether or not to develop a new ultra power optical switch. The research and development costs of developing such a switch is estimated to be $25 million. If the company goes ahead with the R&D and develops the switch, a crucial issue is whether or not

1.
Gateway 2000, Inc., receives large shipments of microprocessors from Intel Corp. It must try to ensure that the portion of microprocessors that are defective is small. Suppose Gateway decided to test five microprocessors out of shipment of thousands them.
Suppose that if at least one of the microprocessor is defective, the

Question 1
The table below contains the opinions of a sample of 200 people (broken down by gender) about the latest congressional plan to fund abortion clinics.
For Neutral Against Totals
Female 38 54 12 104
Male 12 36 48 96
Totals 50 90 60 200
Find the probability that a randomly selected
a)person would be

Question 3
An experiment consists of rolling one die. Let A be event that the die shows more than one, B be event that the die shows more than 4, and C be event that die shows an even number.
a) List the sample space of this experiment.
b) Find P(A), P(B), P(C)
c) Find P(A or C), P(A or B), P(A and C), P(B and C)
d) A

Question 1
An investment can lead to a profit of $10,000, $5,000, $4,000, and $1,000, with respective probabilities of .4, .3, .2, and .05. In addition, there is a 3 percent chance of breaking even and a small chance of losing $10,000. Find the expected profit.
Question 2
A car dealership has combined all popular opti

1. A city had an average of 2.6 lightning storms per month. What is the probability of at least 3 lightning storms during a month?
A. 12.26%
B. 21.76 %
C. 26.40%
D. 48.16%
E. none of the above
2. If the number of miles per gallon (mpg) achieved by cars of a particular model has a mean of 25 and a standard devia